Modular Connector Vulnerabilities

Cross-Site Request Forgery via postConfirmOauth vulnerability

CVSS:

4.3

Affected:

up to 2.5.1

Fixed in:

2.6.0

Disclosed:

Mar 10, 2026

The Modular DS: Monitor, update, and backup multiple websites plugin for WordPress is vulnerable to Cross-Site Request Forgery in all versions up to, and including, 2.5.1. This is due to missing nonce validation on the postConfirmOauth() function. This makes it possible for unauthenticated attackers to disconnect the p...

CVSS:

4.3

Affected:

up to 2.5.1

Fixed in:

2.6.0

Disclosed:

Mar 10, 2026

CVE-2026-3903 on NVD →

The Modular DS: Monitor, update, and backup multiple websites plugin for WordPress is vulnerable to Privilege Escalation in version 2.5.2. This makes it possible for unauthenticated attackers to escalate their privileges to that of an administrator.

CVSS:

9.8

Affected:

2.5.2 – 2.5.2

Fixed in:

2.6.0

Disclosed:

Jan 16, 2026

CVE-2026-23800 on NVD →

[en] Incorrect Privilege Assignment vulnerability in Modular DS modular-connector allows Privilege Escalation.This issue affects Modular DS: from 2.5.2 before 2.6.0.

Affected:

up to 2.5.2

Fix:

No patched version reported

Disclosed:

Jan 16, 2026

CVE-2026-23800 on NVD →

The Modular DS: Monitor, update, and backup multiple websites plugin for WordPress is vulnerable to Privilege Escalation in all versions up to, and including, 2.5.1. This is due to a broken oAuth implementation. This makes it possible for unauthenticated attackers to log in as an administrator.

CVSS:

9.8

Affected:

up to 2.5.1

Fixed in:

2.5.2

Disclosed:

Jan 14, 2026

CVE-2026-23550 on NVD →

[en] Incorrect Privilege Assignment vulnerability in Modular DS allows Privilege Escalation.This issue affects Modular DS: from n/a through 2.5.1.

Affected:

up to 2.5.1

Fix:

No patched version reported

Disclosed:

Jan 14, 2026

CVE-2026-23550 on NVD →